exception

Identify superclass of all exception classes

• Exception

• Throwable

• RuntimeException

• IOException

Choose the CORRECT exception

String department="JTMK";

Integer no=Integer.parseInt(department);

• ArithmeticException

• NullPointerException

• NumberFormatException

• ArrayIndexOutOfBoundsException

Choose an exception if attempt to divide number by zero

int number = 89 / 0;

System.out.println("The answer is " + number);

• ArithmeticException

• NullPointerException

• NumberFormatException

• ArrayIndexOutOfBoundException

Select the CORRECT answer.

public class ExcepTest {

public static void main(String args[]) {

int a[ ] = new int[2];

try {

System.out.println("Access element three :" + a[3]);

}catch(__________________________________________) {

System.out.println("Exception thrown :" + e);

}finally {

a[0] = 6;

System.out.println("First element value: " + a[0]);

System.out.println("Finally statement is executed");

}

}

}

• NumberFormatException e

• NumbersFormatException e

• ArrayIndexOutOfBoundException e

• ArrayIndexOutOfBoundsException e

Which of these keywords is not a part of exception handling?

• try

• finally

• thrown

• catch

Identify the keyword that must be used to handle the exception thrown by try block in some rational manner.

• try

• finally

• throw

• catch

What is the output of this program?

class exception_handling {

public static void main(String args[]) {

try {

System.out.print("Hello" + " " + 1 / 0);

}

catch(ArithmeticException e) {

System.out.print("World");

}

}

}

• Hello

• World

• HelloWorld

• Hello World

What is the output of this program?

class exception_handling {

public static void main(String args[]) {

try {

int a, b;

b = 0;

a = 5 / b;

System.out.print("A");

}

catch(ArithmeticException e) {

System.out.print("B");

}

finally {

System.out.print("C");

}

}

}

• A

• B

• AC

• BC

What is the advantage of Exception Handling

• To avoid abnormal termination of a program

• To find out errors

• To Debug program

• None of these

Which of the following exceptions class belongs to Checked Exception

• ArithmeticException

• ClassNotFoundExceptions

• ClassCastException

• ArrayIndexOutOfBoundsException